Document KJry5VRXzkpBN3v5XDbVomw9r

3M (entrai Offices 3M ( enter St. Faul. MN 55144-1000 651 733 1110 P-1 b July 18, 2007 Document Control Office Docket AR-226 EPA East Building, Room 6428 1201 Constitution Ave., N.W. Washington, DC 20460 Via Hand Delivery 07 J L Attention: OPPT Docket No. AR-226 (Mary Dominiak - Room 4410) Re: Information on Perfluorooctane Sulfonate, Perfluorooctanoic Acid, and Related Compounds Dear Ms. Dominiak: This continues 3M 's voluntary submissions o f data on perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), and related compounds. We are enclosing paper copies o f the following environmental studies, along with a robust summary of each study: "`PFOS: A 96-Hour Static-Renewal Acute Toxicity Test with the Spring Peeper Tadpole (Pseudacris crucifer)." Wildlife International, Ltd. Final report, April 12 2007. "PFOS: A 96-Hour Static-Renewal Acute Toxicity Test with Hyalella azteca. Wildlife International, Ltd. Final report, March 29, 2007. "PFOS: A 96-Hour Static-Renewal Acute Toxicity Test with Lumbriculus variegatus" Wildlife International, Ltd. Final report, March 15, 2007. "PFOA: A 96-Hour Static-Renewal Acute Toxicity Test with Chrinomus tentans: Wildlife International, Ltd. Amended final report, March 8,2007. Please feel free to contact me with any questions. e-"-' Enclosures cc: Mr. Charles Auer (w/o attachments) Dr. Oscar Hernandez (w/o attachments) Dr. Jennifer Seed (w/o attachments) Very truly yours, 7 ./, / . ( / C/ K/ ui ri ? \ \ `/ f ' > " Michael A. ^antoro Director o f Environmental Health Safety and Regulatory Affairs 3M Center, Building 236-1B-10 St. Paul, MN 55144 651-733-6374 (phone) 651-733-1958 (fax) E-mail: meisantoro@mmm.com CONTAINS NO C 0